package com.atguigu.seckill.interceptor;

import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.vo.MemberResponseVo;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * 订单服务模块-所有操作都需要登陆
 * 登陆拦截
 *
 * @Author ShiJieLin
 * @Date 2022/4/29 21:07
 * @Version 1.0
 */
@Component
public class LoginInterceptor implements HandlerInterceptor {

    public static ThreadLocal<MemberResponseVo> loginUser = new ThreadLocal<>();

    /**
     * 做操作之前都需要查看是否登陆
     *
     * @param request
     * @param response
     * @param handler
     * @return
     * @throws Exception
     */
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String uri = request.getRequestURI();
        AntPathMatcher antPathMatcher = new AntPathMatcher();
        boolean match = antPathMatcher.match("/kill", uri);

        if (match) {
            HttpSession session = request.getSession();
            // 从redis中的session获取登陆信息
            MemberResponseVo memberResponseVo = (MemberResponseVo) session.getAttribute(
                    AuthServerConstant.LOGIN_USER);
            if (null != memberResponseVo) {
                loginUser.set(memberResponseVo);
                return true;
            } else {
                session.setAttribute("msg", "请先进行登录");
                response.sendRedirect("http://auth.gulimall.com/login.html");
                return false;
            }
        }
        return true;
    }
}
